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Finding the Fourth Proportional to 343,448.04, 515,166.30 and 94,130.04

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Solution

The fourth proportional to 343,448.04, 515,166.30 and 94,130.04 is: 141,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,448.04 : 515,166.30 = 94,130.04 : x
  2. Step 2: Convert to fraction form
    343,448.04/515,166.30 = 94,130.04/x
  3. Step 3: Cross multiply
    343,448.04x = 515,166.30 × 94,130.04
  4. Step 4: Simplify right side
    343,448.04x = 48,492,624,425.65
  5. Step 5: Solve for x
    x = 48,492,624,425.65/343,448.04
  6. Step 6: Final answer
    x = 141,193.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.